EP3650767B1 - Clapet d'arrêt étanche aux gaz - Google Patents

Clapet d'arrêt étanche aux gaz Download PDF

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Publication number
EP3650767B1
EP3650767B1 EP19207045.6A EP19207045A EP3650767B1 EP 3650767 B1 EP3650767 B1 EP 3650767B1 EP 19207045 A EP19207045 A EP 19207045A EP 3650767 B1 EP3650767 B1 EP 3650767B1
Authority
EP
European Patent Office
Prior art keywords
damper
flap
link
blade
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19207045.6A
Other languages
German (de)
English (en)
Other versions
EP3650767A1 (fr
Inventor
Harald WIDEBURG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hawig Innovative Versorgungstechnik GmbH
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Hawig Innovative Versorgungstechnik GmbH
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Publication of EP3650767A1 publication Critical patent/EP3650767A1/fr
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Publication of EP3650767B1 publication Critical patent/EP3650767B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1406—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1486—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by bearings, pivots or hinges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation

Definitions

  • the present invention relates to a gas-tight butterfly valve.
  • Butterfly valves are fittings for flow control, for example in a ventilation system.
  • Gas-tight variants of a shut-off flap are used, for example, when shutting off ventilation systems in safety areas (containments).
  • a gas-tight shut-off flap which comprises two flap leaves, which comprise a flat component with which an opening can be closed, the flap leaves being rotatable and displaceable by means of an axis whose ends engage in a groove.
  • the two flap leaves are each flexibly connected to one another at one end of the planar component in a joint area and can be moved by a drive element made of a material with shape memory properties, which is attached to the joint area or the planar components.
  • a mixing flap for the air flows of an air conditioning system which comprises two flap leaves, one of which is mounted asymmetrically.
  • a joint is arranged on the asymmetrically mounted damper leaf, which engages in one end of the other damper leaf.
  • shut-off flap which is pivotably mounted at one end and whose pivoting movement between an open and closed position is effected by an electric motor drive.
  • CN 1 575 827 A1 describes a fire protection ventilation door with a shut-off flap according to the preamble of claim 1.
  • a gas-tight shut-off flap with a flap leaf that can be moved along a travel path from an open to a closed position, in which the flap leaf is pressed gas-tight onto a flap seat, with the flap leaf being pivotably mounted on one side, with a Linear drive is provided, with which the flap leaf can be moved and wherein a link is provided which defines the travel path. Due to the linear drive for the flap leaf of the shut-off flap according to the invention in connection with a connecting link control, a secure sealing performance is achieved with a cost-effective construction even under the effect of stress.
  • the linear drive comprises two synchronously running spindles, on each of which a spindle nut is connected to the damper leaf by means of a joint guide in order to move the damper leaf and press it onto a sealing seat in its closed position via two contact pressure points.
  • the link on both sides of the damper leaf includes two identical link guides in which the damper leaf is guided via sliding bolts or roller bearings, which additionally press the damper leaf onto the sealing seat via two further pressure points in the closed position. In this preferred embodiment, a total of four contact pressure points thus secure the flap leaf in its closed position.
  • the pivoting side of the Flap leaf drivable.
  • the flap leaf can preferably be pivoted by approximately 90 degrees.
  • a projection is provided above the flap seat, which is arranged such that the flap leaf comes to lie between the flap seat and the projection in the closed position.
  • the gas-tight flap according to the invention can also be provided with two flap leaves which are designed, controlled and driven in an identical (symmetrical) manner.
  • the flap comprises a further flap leaf in a mirror-image arrangement, which is pivotably mounted on the same side as the flap leaf first mentioned above and can be moved with the same linear drive as this, controlled by a link for specifying the travel path, which is the link of the corresponds to the first-mentioned flap leaf.
  • the gas-tight flap 1 shown comprises a cuboid housing 2 with four side walls, of which only three side walls 3, 4 and 5 are shown, while the fourth side wall is dismantled.
  • the housing 2 is open on its upper and lower sides (inflow and outflow sides).
  • a supporting sealing seat frame 6 for two rectangular damper leaves 10 and 10' and for guiding and driving them is inserted into the underside of the housing 2.
  • Webs 7 and 7' rise up from two opposite sides of the sealing seat frame 6 (on the 2 opposite side walls, arranged perpendicularly to the linear drive and leading above the sealing seat of the damper leaf), which extend to the side walls 3 and 4 and linkages 25, 25a and 25', 25a' to define a travel path 26 of the flap leaves 10 and 10', as explained in more detail below.
  • the sealing seat frame 6 comprises on both sides of its longitudinal center axis two spaced-apart central struts running parallel to it, of which in 3 only the strut 8 is visible, which serves as a support for a respective inner longitudinal edge of the two damper leaves 10 and 10' in the closed position, with the tops of the outer longitudinal struts 9 and 9' of the sealing seat frame 6 being supports for the outer longitudinal edges of the two damper leaves 10 and 10' in the closed position. These supports form part of a flap seat 15 explained in more detail below.
  • the other two side braces 12, 13 of the sealing seat frame 6 lying opposite one another form supports for the narrow sides of the flap leaves 10 and 10' in the closed position.
  • the flap leaves 10 and 10' sealing elements running around the edge on its underside, which ensure a tight fit of the flap leaves 10 and 10', which are in the closed position, on the sealing seat frame struts.
  • Pressure forces acting on the longitudinal edges of the flap leaves 10 and 10' in the closed position also contribute to a tight fit of the flap leaves 10 and 10' on the sealing seat frame struts.
  • the two central struts (of which only the strut is 8 in 3 is visible) of the sealing seat frame 6 carry spindle bearings of a motor-operated spindle drive 20 for the two flap leaves 10 and 10'.
  • the spindle drive 20 comprises two spindles 21 and 22, the lower ends of which engage the spindle bearings, extend vertically upwards therefrom and engage with their upper ends in abutments which are housed in a rail-like, elongate housing 23 which is attached to the Inside of the side wall 5 and the in 1 unassembled opposite sidewall and extends parallel to and in opposition to the center struts of the seat frame.
  • nuts 24 and 24a are nuts 24 and 24a as drive transmission elements, which are connected to the inner longitudinal edges of the damper leaves 10 and 10' via joints (see Fig. 3 ).
  • the longitudinal edges of the damper leaves 10 and 10' undergo a lifting movement in the vertical direction, which is caused by the end-side guidance of the outer longitudinal edges of the damper leaves 10 and 10' in the links 25, 25a and 25', 25a' for defining the travel path 26 of the flap leaves from their in 3 and 4 shown opening position in 1 shown closed position is implemented.
  • the damper leaves 10 and 10' are guided in the links 25, 25a and 25', 25a' by sliding bolts or roller bearings which are fixed in the opposite ends of the outer edge of each damper leaf and protrude from there into the links.
  • the outer longitudinal edges of the flap leaves 10 and 10' which are in a horizontal position in this position, interact with the flap seat 15, 15', which is the support in the form of the upper sides of the longitudinal struts 9 and 9' of the rectangular sealing seat frame 6 and a comprises wedge-shaped projection 16, which is fixed to the inside of the housing side wall 3 and extends along it (see Fig. figure 5 ).
  • the seals on the underside of the damper leaves are also tightened by the spindle drive in this last phase of its drive activity over the entire length of the two central sealing seat frame struts (only strut 8 in 3 ) compressed over the inside edges of the damper leaves by the downward loading force of the spindle drive.
  • the seals on the narrow sides of the sealing seat frame 6 are also compressed, so that they provide a gas-tight seal along the entire outline of the damper leaves 10, 10'.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lift Valve (AREA)

Claims (6)

  1. Clapet d'arrêt (1) étanche aux gaz avec une lame de clapet (10) pouvant être déplacée le long de d'une course de déplacement (26) d'une position ouverte jusque dans une position fermée dans laquelle la lame de clapet (10) est comprimée de façon étanche aux gaz sur un siège de clapet (15), dans lequel :
    la lame de clapet (10) est disposée de façon à pouvoir pivoter au niveau d'un côté ;
    un entraînement linéaire (20) est prévu à l'aide duquel la lame de clapet (10) peut être déplacée ; et
    une coulisse (25) est prévue qui définit la course de déplacement (26) ;
    caractérisé en ce que :
    la coulisse (25) présente une forme d'arc formée de telle sorte :
    - que l'introduction d'un mouvement horizontal de la lame de clapet (10) dans un premier tiers de la course de déplacement (26) le long de la coulisse (25) est favorisé par une inclinaison de la course de déplacement (26) dans la coulisse (25) ;
    - que la lame de clapet (10) est transférée, dans le tiers central de la course de déplacement (26), le long de la coulisse (25), dans une position quasi-parallèle au siège de clapet (15) et peut être déplacée sans contact de la lame de clapet (10) avec le siège de clapet (15) ; et
    - que la lame de clapet (10) est comprimée perpendiculairement sur le siège de clapet (15) dans le dernier tiers de la course de déplacement (26), le long de la coulisse (25), depuis une position quasi-parallèle au siège de clapet (15).
  2. Clapet d'arrêt (1) selon la revendication 1, caractérisé en ce que l'entraînement linéaire (20) est un entraînement d'axe.
  3. Clapet d'arrêt selon l'une quelconque des revendications précédentes, caractérisé en ce que l'entraînement linéaire permet d'entraîner le côté de la lame de clapet (10) disposé de façon à pouvoir pivoter.
  4. Clapet d'arrêt (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la lame de clapet (10) peut pivoter d'environ 90 degrés.
  5. Clapet d'arrêt (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une saillie (16) est prévue au-dessus du siège de clapet (15), ladite saillie étant disposée de telle sorte que la lame de clapet (10) vient se placer dans la position fermée entre le siège de clapet (15) et la saillie (16).
  6. Clapet d'arrêt (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le clapet (1) comprend en agencement en miroir une lame de clapet (10') supplémentaire qui est disposée de façon à pouvoir pivoter du même côté que la première lame de clapet (10) et peut être déplacée à l'aide du même entraînement linéaire (20) que celle-ci en étant commandée par une coulisse (25a) permettant de définir la course de déplacement (26) correspondant à la coulisse (25) de la première lame de clapet.
EP19207045.6A 2018-11-06 2019-11-05 Clapet d'arrêt étanche aux gaz Active EP3650767B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018127623.0A DE102018127623A1 (de) 2018-11-06 2018-11-06 Gasdichte Absperrklappe

Publications (2)

Publication Number Publication Date
EP3650767A1 EP3650767A1 (fr) 2020-05-13
EP3650767B1 true EP3650767B1 (fr) 2023-07-12

Family

ID=68468580

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19207045.6A Active EP3650767B1 (fr) 2018-11-06 2019-11-05 Clapet d'arrêt étanche aux gaz

Country Status (2)

Country Link
EP (1) EP3650767B1 (fr)
DE (1) DE102018127623A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113932435B (zh) * 2021-09-22 2022-10-28 青岛海尔空调器有限总公司 空调系统及其导风板驱动装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858735A (en) * 1985-06-18 1989-08-22 Heddle Richard W Stationary pivot mechanism for use with a damper

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE131835C (fr) *
GB495935A (en) * 1938-03-10 1938-11-22 William Frederick Forrest Mart Improvements in and relating to valves
GB707558A (en) * 1951-04-04 1954-04-21 Apv Co Ltd Improvements in or relating to valves or cocks
DE3148709A1 (de) 1981-12-09 1983-07-21 Friedrich 7120 Bietigheim-Bissingen Breitenbücher Antrieb fuer eine be- und entluefungsanordnung in heizraeumen
DE3603591C1 (en) * 1986-02-06 1987-07-16 Siegenia Frank Kg Pivoting-drive and locking mechanism for closure flaps of ventilation appliances
CN1671983B (zh) * 2002-05-23 2011-06-08 弗利亚特克公司 锁闭装置
JP4136530B2 (ja) * 2002-08-12 2008-08-20 日本電産サンキョー株式会社 ダンパー装置
KR20050007868A (ko) * 2003-07-11 2005-01-21 주식회사 시공테크 문화재 수장고용 기밀방화댐퍼
DE102007013665A1 (de) 2007-03-19 2008-09-25 Behr Gmbh & Co. Kg Klappe, insbesondere Mischklappe für eine Lüftungs-, Heizungs-und/oder Klimaanlage
EP2295882A3 (fr) * 2009-08-10 2015-02-25 Caverion Deutschland GmbH Clapet d'arrêt de fermeture étanche au gaz d'un canal d'aération
DE102015111908A1 (de) 2015-07-22 2017-01-26 Halla Visteon Climate Control Corporation Klappe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858735A (en) * 1985-06-18 1989-08-22 Heddle Richard W Stationary pivot mechanism for use with a damper

Also Published As

Publication number Publication date
DE102018127623A1 (de) 2020-05-07
EP3650767A1 (fr) 2020-05-13

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